Could we ever see in the dark?

Question: Could we ever see in the dark?
- Keywords:
  eye,
  light,
  sense,
  sight,
  vision
Asked by Helny to Anna, Hayley, Iain, Rebecca on 16 Jun 2015.
- anon answered on 16 Jun 2015:
  
  I don’t think we could, but our eyes do adjust to darkness, and after a while we are able to see shapes and various shades of grey.

Question: Could we ever see in the dark?